Map Analyst MAN is a tool for inserting all custome files like materials, textures, models, sounds etc. automatically into the BSP file. Even indirect usage of files in materials, models, scripts etc. are recognized automatically. No other runtime environment (Steam, Java etc.) are needed.
Therefore Map Analyst is an ideal substitute for bspzip.
Manual included in the zip file.
Download:men.zip (english version)
Download:man.zip (german version)